//Factory creator - an indirect way of instantiating the factories
class FactoryMaker{
	private static AbstractFactory pf=null;
	static AbstractFactory getFactory(String choice){
		if(choice.equals("a")){
			pf=new ConcreteFactory1();
		}else if(choice.equals("b")){
				pf=new ConcreteFactory2();
			} return pf;
	}
}